Articulating spinal disc prosthesis

Details Articulating spinal disc prosthesis Articulating spinal disc prosthesis

1998-10-27

2000-03-21

Milano, Michael J.

Prosthesis (i.e., artificial body members), parts thereof, or ai

Implantable prosthesis

Bone

623 18, 623 20, A61F 244, A61F 230, A61F 238

Patent

active

060397632

ABSTRACT:
The artificial spinal disc of the invention is intended to articulate in a manner resembling a human knee articulation. The artificial spinal disc includes two plates each having a planar outer surface and an articulating inner surface. The planar outer surfaces contact adjacent inferior and superior surfaces of two adjacent vertebrae having the spinal disc implanted therebetween. The planar surfaces of the plates are affixed to the adjacent vertebrae. The articulating surfaces of the artificial spinal disc will be generally bimodal-shaped such that a first articulating surface will have two convex shaped articulating portions and the second articulating surface will have two concave shaped articulating portions. The concave and convex shaped portions of the respective plates will be generally complementary. The articulation of the artificial spinal disc will generally resemble that of a human knee.

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